Finding the Fourth Proportional to 56,773.02, 78,287.36 and 42,410.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,773.02 : 78,287.36 = 42,410.34 : x
2. Step 2: Convert to fraction form
   56,773.02/78,287.36 = 42,410.34/x
3. Step 3: Cross multiply
   56,773.02x = 78,287.36 × 42,410.34
4. Step 4: Simplify right side
   56,773.02x = 3,320,193,555.30
5. Step 5: Solve for x
   x = 3,320,193,555.30/56,773.02
6. Step 6: Final answer
   x = 58,481.89